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Assessment

Circles in Triangles

Curated and Reviewed by Lesson Planet
This Circles in Triangles assessment also includes:

Circles, and triangles, and tangents, oh my! In the assessment task, learners first answer questions leading to the radius of an inscribed circle for a given right triangle. They then use the result to independently determine the radius of an inscribed circle for a different right triangle.

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CCSS: Designed
Concepts
triangles, congruent triangles, inscribed, congruence, tangent lines
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Additional Tags
math
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Instructional Ideas
  • Use the resource as an in-class activity
Classroom Considerations
  • Learners need to be aware of the hypotenuse-leg condition for congruent triangles
  • Cass should have some experience with tangent lines to circles
Pros
  • Scaffolding provides all learners the means to access solution
  • Resource includes an answer key with rubric
Cons
  • Diagram is haphazardly drawn